13) A fluid is said to be ideal, if it is

Incompressible

Zero viscosity

Viscous and incompressible

Low density

Answer is:

Zero viscosity

ISRO Technical Assistant Mechanical Question Paper - 2015 with Answer Key

For more MCQ's Click Here

14) An object having 10 kg mass weighs 5 kg on a planet. The value of 'g' at this planet is

5.0 m/square seconds

4.9 m/square seconds

10.2 m/sec

9.7 m/square seconds

Answer is:

4.9 m/square seconds

15) For a body floating in water, resultant pressure exerted by water acts at

Bottom surface of body

Centroid of portion of body under water.

All points on the surface of body

Centroid of body

Answer is:

Centroid of portion of body under water.

16) If mercury in a barometer is replaced by water, the height of 2 cm of mercury will be following _____ cm of water

27.2 cm

50 cm

52 cm

13 cm

Answer is:

27.2 cm

17) A pressure of 25 m of head of water is equal to

25 kN/square meter

245 kN/square meter

2500 kN/square meter

2.5 kN/square meter

Answer is:

245 kN/square meter

ISRO Technical Assistant Mechanical Question Paper - 2015 with Answer Key

For more MCQ's Click Here

13) A fluid is said to be ideal, if it is

Zero viscosity

ISRO Technical Assistant Mechanical Question Paper - 2015 with Answer Key

Related ISRO Technical Assistant Mechanical Question Paper - 2015 with Answer Key

14) An object having 10 kg mass weighs 5 kg on a planet. The value of 'g' at this planet is

4.9 m/square seconds

15) For a body floating in water, resultant pressure exerted by water acts at

Centroid of portion of body under water.

16) If mercury in a barometer is replaced by water, the height of 2 cm of mercury will be following _____ cm of water

27.2 cm

17) A pressure of 25 m of head of water is equal to

245 kN/square meter

ISRO Technical Assistant Mechanical Question Paper - 2015 with Answer Key